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Standard VIII

Mathematics

Relation for Inverse Proportion

Calculate the...

Question

Calculate the time required to cover 90 km at the speed of 30km/hr.?

1

hr.

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3

hr.

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\frac{1}{3}

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30

hr.

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Solution

The correct option is B $3$ hr.
According to the definition of speed,
time = $\frac{d i s t a n c e}{s p e e d}$
So,time = $\frac{90}{30}$
Therefore time = 3 hr

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Calculate the time required to cover 90 km at the speed of 30km/hr.?

The correct option is B 3 hr.According to the definition of speed,time = distancespeedSo,time = 9030Therefore time = 3 hr

The correct option is B $3$ hr.
According to the definition of speed,
time = $\frac{d i s t a n c e}{s p e e d}$
So,time = $\frac{90}{30}$
Therefore time = 3 hr